Collecting Quantitative Data

Front

Reliability definition

Back

Scores are stable and consistent

Front

Validity definition

Back

Evidence matches proposed use of scores

Front

Reliability and validity relationship

Back

Reliability is a measure of consistency

Front

Test-retest reliability

Back

Scores stable over time

Front

Alternative forms reliability

Back

Two instruments measuring same variables

Front

Interrater reliability

Back

Multiple observers' scores compared

Front

Internal consistency reliability

Back

Scores consistent across items

Front

Kuder-Richardson split half test

Back

Used for categorical scores

Front

Coefficient alpha

Back

Estimates internal consistency for continuous variables

Front

Evidence based on test content

Back

Validity related to test's intended measure